diff --git a/src/lib/libcrypto/crypto/Makefile b/src/lib/libcrypto/crypto/Makefile
index f71fe8e2..c652cdd4 100644
--- a/src/lib/libcrypto/crypto/Makefile
+++ b/src/lib/libcrypto/crypto/Makefile
@@ -1,10 +1,12 @@
-# $OpenBSD: Makefile,v 1.20 2014/04/17 18:16:45 miod Exp $
+# $OpenBSD: Makefile,v 1.21 2014/04/17 20:43:42 tedu Exp $
 
 LIB=	crypto
 
 SSL_SRC=	${.CURDIR}/../../libssl/src
 LCRYPTO_SRC=	${SSL_SRC}/crypto
 
+CFLAGS+= -Wall
+
 # arm and sh default to little endian, mips defaults to big endian
 .if ${MACHINE_ARCH} == "alpha" || ${MACHINE_ARCH} == "amd64" || \
     ${MACHINE_ARCH} == "arm" || ${MACHINE_ARCH} == "i386" || \